SEQURE Blueson A1 8S 70A BLHeli_32 4-in-1 ESC

The SEQURE Blueson A1 8S 70A is a 4-in-1 ESC with BLHeli_32 firmware for 2–8S LiPo and LiHV FPV builds.

It uses an AT32F421 32-bit processor with an adjustable 8–128kHz PWM frequency. Telemetry and current sensing are supported, with a 20 × 20mm M3 mounting pattern.

Specifications

ESC type: 4-in-1
Firmware: BLHeli_32
Processor: AT32F421
Input voltage: 2–8S LiPo or LiHV
Continuous current: 70A per channel
Peak current: 150A per channel
PWM frequency: 8–128kHz
Motor protocols: DShot150, DShot300, DShot600, OneShot, MultiShot and PWM
Telemetry: Supported
Current sensing: Supported
BEC: None
Mounting pattern: 20 × 20mm, M3
Dimensions: 42.5 × 36 × 7mm
Product weight: Approximately 19g

Included

1 × SEQURE Blueson A1 4-in-1 ESC
1 × 30AWG 40mm reverse double-ended SH1.0-8P cable
1 × 30AWG 60mm single-ended SH1.0-8P cable
2 × 12AWG 100mm power cables, red and black
1 × XT60H-M male connector
1 × 35V 680µF solid capacitor
5 × M3 × 8mm shock-absorbing mounts

Important

This ESC does not include a BEC. Check the power requirements of the flight controller, receiver and video system before installation.

Use the supplied capacitor and appropriately rated battery cable and connectors. Confirm the firmware settings, motor direction and failsafe operation before fitting propellers.